Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1956 UTC 15 December 2017)
found at http://www.aviationweather.gov/adds/tafs/
 
KMDT 151740Z 1518/1618 00000KT P6SM VCSH OVC040 
     TEMPO 1518/1522 2SM -SHSN OVC025 
     FM152200 24003KT P6SM VCSH OVC050 
     FM160400 29007KT P6SM BKN050 
     FM161500 28010G17KT P6SM SCT250